Round|Natural|GIA

1.03ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 2183738130

Certificate GIA 2183738130

Diamond specifications and retailer prices

From HK$24,124 HKD
As of October 31, 2026
Save HK$28,368 HKD (54%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: HK$54,689 HKD at NZ Jewellers · As of September 21, 2026
View at NZ Jewellers

About this 1.03ct natural round diamond

This 1.03ct natural round sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2183738130. Listed at 23 retailers as of October 31, 2026, with a 118% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.03
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2183738130
Dimensions6.56 × 6.52 × 3.95 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Feather, Crystal, Cloud, Needle, Indented Natural
Top View
6.56 mm6.52 mm1.03 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2183738130
Side View
Table 60.0%Crown 35°Girdle: THN-STKPavilion 40.8°Culet: NoneDepth 60.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: HK$34,448 HKD|Low: HK$20,617 HKD|High: HK$53,128 HKD|Avg: HK$33,651 HKD|+2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 3HK$24,289 HKD
Retailer 5HK$24,744 HKD
Retailer 11HK$26,250 HKD
Retailer 2HK$30,463 HKD
Retailer 9HK$30,934 HKD
Retailer 6HK$31,906 HKD
Retailer 12HK$33,271 HKD
Retailer 1HK$34,448 HKD
Retailer 10HK$35,962 HKD
Retailer 8HK$38,583 HKD
Retailer 4HK$45,361 HKD
Retailer 7HK$52,492 HKD

33 data points across 12 retailers

23 retailersHK$24,124 HKD to HK$52,492 HKD

A
Cheapest Retailer
-
HK$24,124 HKD
A
Retailer 2
-
HK$24,289 HKD
View
A
Retailer 3
-
HK$24,532 HKD
View
A
Retailer 4
-
HK$24,744 HKD
View
A
Retailer 5
-
HK$25,246 HKD
View
B+
Retailer 6
-
HK$26,085 HKD
View
Retailer 7
-
HK$26,587 HKD
View
Price last confirmed 82 days ago
B+
Retailer 8
-
HK$27,301 HKD
View
Retailer 9
-
HK$28,439 HKD
View
Price last confirmed 44 days ago
B+
Retailer 10
-
HK$28,462 HKD
View
Retailer 11
-
HK$29,090 HKD
View
Price last confirmed 14 days ago
B+
Retailer 12
-
HK$30,463 HKD
View
B+
Retailer 13
-
HK$30,934 HKD
View
B+
Retailer 14
-
HK$31,906 HKD
View
Retailer 15
-
HK$32,816 HKD
View
Price last confirmed 45 days ago
Retailer 16
-
HK$33,271 HKD
View
Price last confirmed 38 days ago
B+
Retailer 17
-
HK$33,554 HKD
View
B+
Retailer 18
-
HK$34,448 HKD
View
B+
Retailer 19
-
HK$35,962 HKD
View
B+
Retailer 20
-
HK$38,583 HKD
View
Retailer 21
-
HK$45,361 HKD
View
Price last confirmed 11 days ago
B
Retailer 22
-
HK$52,492 HKD
View
Most Expensive
NZ Jewellers
8363590a-6b36-4b83-82ef-8c882ce3cade · Sep 21
HK$54,689 HKD
$6,971 USD
View
Price last confirmed 45 days ago
22 more retailers have this diamond
Prices start from HK$24,124 HKDSave up to HK$28,368 HKD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.03ct Round
HK$24,124 HKD